D791943-20

View detailed technical data, stock status, and sourcing information for: D791943-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-040-6708

Item Name Code

01852

Assigment Date

05/12/1977 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

3a thread class, 0.670 inches minimum and 0.690 inches maximum fastener length, 0.215 inches minimum and 0.225 inches maximum head diameter, 0.225 inches minimum and 0.245 inches maximum thread length, pan head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Length: 0.225 inches minimum and 0.245 inches maximum
Fastener Length: 0.670 inches minimum and 0.690 inches maximum
Head Style: pan
Head Diameter: 0.215 inches minimum and 0.225 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
D791943-20	Externally Relieved Body Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-040-6708?

The FSCG of the NSN 5305-01-040-6708 is 5305

Does NSN 5305-01-040-6708 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-040-6708 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-040-6708 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-040-6708 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, May 12, 1977